UKTC Archive

Re: Stop Press; Sheffield News.

Subject: Re: Stop Press; Sheffield News.
From: Bill Anderson
Date: Dec 18 2016 14:44:03
I fear the planting hole-problem is outside of the tree-planter's control
Rupert, but predicting outcomes is difficult. I recall planting trees (
https://goo.gl/maps/cGvuUegrWat ) on the street in this image in the 80s
(after felling Wheatleys) and digging through the grass to find that the
grass verge was simply turf laid on top of tarmac.... Yet these trees,
Raywood and Italian Alders, seem to have survived. Although these were
bare-rooted not containers....

Bill.

On 15 December 2016 at 15:28, Rupert Baker <rupert_baker@xxxxxxxx.co.uk>
wrote:

Hi Bill,
IMO, containerised trees survive better in harsh planting environments -
eg streets - but are prone to girdling roots and self-strangulation
especially if decanted into a planting hole little bigger than the
container...
Rupert

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info [mailto:uktc-request@lists.
tree-care.info] On Behalf Of Bill Anderson
Sent: Wednesday, December 14, 2016 8:09 AM
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Re: Stop Press; Sheffield News.

The last full street of trees that I planted in Sheffield Ian, about 15
years ago (I don't get out as much as I once did) had a 100% success rate
over the first 10 years. It was a better area than some. I noted that one
or two were looking sickly last summer (Gleditsia) but I think that since
street-planting went from bare root standards to container-grown 14-16s
then success rates have improved. Expense wise I don't know how this would
compare. But the difficulty of establishing new trees is IMO the Objectors'
best argument.

There was a guy at conference this year  who presented a piece on the
carbon footprint of tree planting. He'd concluded that from a carbon POV,
break-even point was about 35 years. He was American and stated "some of
these trees are better travelled than people I grew up with...." He was
working on a maximum lifespan of 55 years for a street tree, dunno why.

See you anon,
Bill.

On 13 December 2016 at 17:19, Ian May <ian.may@xxxxxxxxx.gov.uk> wrote:

Sorry Bill et al, only just caught up with this thread.
If you believe Derek Patch's statement at conference many years ago
that less than 5% of trees planted in the UK get to maturity, each
mature tree felled in Sheffield must be replaced by 20 new trees for
there to be no net population loss. That gives each tree a very crude
CTLA value but nevertheless a value that might be balanced against the
engineering costs of tree retention.

Ian


-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info [mailto:uktc-request@lists.
tree-care.info] On Behalf Of Bill Anderson
Sent: 20 November 2016 17:53
To: UK Tree Care
Subject: Re: Stop Press; Sheffield News.

While in this particular location it was predictable John, in other
neighbourhoods the residents were much more pragmatic, and as I've
said before, up until summer 2015, I'd had as many enquiries from
residents wanting me to advise them on how to get more trees down than
defending them.

I'd be delighted in any of the parties doing the arguing had read any
research. I fear there's a certain "four legs good" approach that has
been adopted by the protesters.

Edmund refers to "taking and urban forestry approach" being wrong. I
suspect I'd agree with what he's trying to say but OTOH, I referred
(in my AA magazine piece) to Rodney's proposal (in a piece in the AA
Journal) that replacing 10% of a city's tree stock every 10 years
should an acceptable idea, and I still think that's a pragmatic
approach to the management of street trees. I suspect the figures that
would likely be generated if anyone added up what Amey had done (or
intends to do) would not be far off that, and really if it was 20% it
would only be catching up with where we ought to be.

I'm gonna start a neglected urban woodlands thread, as Edmund
suggested we ought to discuss it.

Bill.

On 18 November 2016 at 17:45, John Flannigan <jdflannigan@xxxx.com>
wrote:

People do love trees. The indignation of the residents is entirely
predictable.  Maybe I should share my research.
John


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To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info

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